my_dvb_dmxdev_ts_card_init
ret = my_dvb_dmxdev_ts_card_init(&chan->dmxdev, &chan->demux,
int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
ret = my_dvb_dmxdev_ts_card_init(&port->dmxdev, &port->demux,